Ricoh MPC 2800 AT-C2 Mode D'emploi page 427

No. Type
An error signal is detected for 0.2 seconds when charging the drum or development.
• High voltage leak
• Broken harness
• Defective drum unit or development unit
• Defective high voltage supply unit
1. Check or replace the harness.
2. Replace the drum unit or paper transfer unit.
3. Replace the high voltage supply unit.
No. Type
High voltage power: Image transfer/ paper transfer bias output error
An error signal is detected for 0.2 seconds when charging the separation, image
transfer bet or paper transfer roller.
• High voltage leak
• Broken harness
492 C
• Defective image transfer belt unit or paper transfer unit
• Defective high voltage supply unit
1. Check or replace the harness.
2. Replace the image transfer belt unit or paper transfer unit.
3. Replace the high voltage supply unit.
No. Type
Temperature and humidity sensor error 2
• The thermistor output of the temperature sensor was not within the prescribed
range (0.2V to 3.5V).
• The thermistor output of the humidity sensor was not within the prescribed range
498 C
(0.01V to 2.4V).
• Temperature and humidity sensor harness disconnected, loose, defective
• Temperature and humidity sensor defective
1. Check the connector and harness.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
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